1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portlet.currencyconverter.util;
24  
25  import com.liferay.portal.kernel.language.LanguageUtil;
26  import com.liferay.portal.kernel.util.StringPool;
27  import com.liferay.portal.kernel.webcache.WebCacheItem;
28  import com.liferay.portal.kernel.webcache.WebCachePoolUtil;
29  import com.liferay.portlet.currencyconverter.model.Currency;
30  
31  import java.util.HashSet;
32  import java.util.Iterator;
33  import java.util.Locale;
34  import java.util.Map;
35  import java.util.Set;
36  import java.util.TreeMap;
37  import java.util.concurrent.ConcurrentHashMap;
38  
39  import javax.servlet.http.HttpServletRequest;
40  import javax.servlet.jsp.PageContext;
41  
42  /**
43   * <a href="CurrencyUtil.java.html"><b><i>View Source</i></b></a>
44   *
45   * @author Brian Wing Shun Chan
46   */
47  public class CurrencyUtil {
48  
49      public static Map<String, String> getAllSymbols(PageContext pageContext) {
50          HttpServletRequest request =
51              (HttpServletRequest)pageContext.getRequest();
52  
53          Locale locale = request.getLocale();
54  
55          String key = locale.toString();
56  
57          Map<String, String> symbols = _symbolsPool.get(key);
58  
59          if (symbols != null) {
60              return symbols;
61          }
62  
63          symbols = new TreeMap<String, String>();
64  
65          Iterator<String> itr = _instance._currencyIds.iterator();
66  
67          while (itr.hasNext()) {
68              String symbol = itr.next();
69  
70              symbols.put(LanguageUtil.get(pageContext, symbol), symbol);
71          }
72  
73          _symbolsPool.put(key, symbols);
74  
75          return symbols;
76      }
77  
78      public static Currency getCurrency(String symbol) {
79          WebCacheItem wci = new CurrencyWebCacheItem(symbol);
80  
81          return (Currency)WebCachePoolUtil.get(
82              CurrencyUtil.class.getName() + StringPool.PERIOD + symbol, wci);
83      }
84  
85      public static boolean isCurrency(String symbol) {
86          return _instance._currencyIds.contains(symbol);
87      }
88  
89      private CurrencyUtil() {
90          _currencyIds = new HashSet<String>();
91  
92          _currencyIds.add("ALL");
93          _currencyIds.add("DZD");
94          _currencyIds.add("XAL");
95          _currencyIds.add("ARS");
96          _currencyIds.add("AWG");
97          _currencyIds.add("AUD");
98          _currencyIds.add("BSD");
99          _currencyIds.add("BHD");
100         _currencyIds.add("BDT");
101         _currencyIds.add("BBD");
102         _currencyIds.add("BYR");
103         _currencyIds.add("BZD");
104         _currencyIds.add("BMD");
105         _currencyIds.add("BTN");
106         _currencyIds.add("BOB");
107         _currencyIds.add("BRL");
108         _currencyIds.add("GBP");
109         _currencyIds.add("BND");
110         _currencyIds.add("BGN");
111         _currencyIds.add("BIF");
112         _currencyIds.add("KHR");
113         _currencyIds.add("CAD");
114         _currencyIds.add("KYD");
115         _currencyIds.add("XOF");
116         _currencyIds.add("XAF");
117         _currencyIds.add("CLP");
118         _currencyIds.add("CNY");
119         _currencyIds.add("COP");
120         _currencyIds.add("KMF");
121         _currencyIds.add("XCP");
122         _currencyIds.add("CRC");
123         _currencyIds.add("HRK");
124         _currencyIds.add("CUP");
125         _currencyIds.add("CYP");
126         _currencyIds.add("CZK");
127         _currencyIds.add("DKK");
128         _currencyIds.add("DJF");
129         _currencyIds.add("DOP");
130         _currencyIds.add("XCD");
131         _currencyIds.add("ECS");
132         _currencyIds.add("EGP");
133         _currencyIds.add("SVC");
134         _currencyIds.add("ERN");
135         _currencyIds.add("EEK");
136         _currencyIds.add("ETB");
137         _currencyIds.add("EUR");
138         _currencyIds.add("FKP");
139         _currencyIds.add("GMD");
140         _currencyIds.add("GHC");
141         _currencyIds.add("GIP");
142         _currencyIds.add("XAU");
143         _currencyIds.add("GTQ");
144         _currencyIds.add("GNF");
145         _currencyIds.add("HTG");
146         _currencyIds.add("HNL");
147         _currencyIds.add("HKD");
148         _currencyIds.add("HUF");
149         _currencyIds.add("ISK");
150         _currencyIds.add("INR");
151         _currencyIds.add("IDR");
152         _currencyIds.add("IRR");
153         _currencyIds.add("ILS");
154         _currencyIds.add("JMD");
155         _currencyIds.add("JPY");
156         _currencyIds.add("JOD");
157         _currencyIds.add("KZT");
158         _currencyIds.add("KES");
159         _currencyIds.add("KRW");
160         _currencyIds.add("KWD");
161         _currencyIds.add("LAK");
162         _currencyIds.add("LVL");
163         _currencyIds.add("LBP");
164         _currencyIds.add("LSL");
165         _currencyIds.add("LYD");
166         _currencyIds.add("LTL");
167         _currencyIds.add("MOP");
168         _currencyIds.add("MKD");
169         _currencyIds.add("MGF");
170         _currencyIds.add("MWK");
171         _currencyIds.add("MYR");
172         _currencyIds.add("MVR");
173         _currencyIds.add("MTL");
174         _currencyIds.add("MRO");
175         _currencyIds.add("MUR");
176         _currencyIds.add("MXN");
177         _currencyIds.add("MDL");
178         _currencyIds.add("MNT");
179         _currencyIds.add("MAD");
180         _currencyIds.add("MZM");
181         _currencyIds.add("NAD");
182         _currencyIds.add("NPR");
183         _currencyIds.add("ANG");
184         _currencyIds.add("TRY");
185         _currencyIds.add("NZD");
186         _currencyIds.add("NIO");
187         _currencyIds.add("NGN");
188         _currencyIds.add("NOK");
189         _currencyIds.add("OMR");
190         _currencyIds.add("XPF");
191         _currencyIds.add("PKR");
192         _currencyIds.add("XPD");
193         _currencyIds.add("PAB");
194         _currencyIds.add("PGK");
195         _currencyIds.add("PYG");
196         _currencyIds.add("PEN");
197         _currencyIds.add("PHP");
198         _currencyIds.add("XPT");
199         _currencyIds.add("PLN");
200         _currencyIds.add("QAR");
201         _currencyIds.add("ROL");
202         _currencyIds.add("RON");
203         _currencyIds.add("RUB");
204         _currencyIds.add("RWF");
205         _currencyIds.add("WST");
206         _currencyIds.add("STD");
207         _currencyIds.add("SAR");
208         _currencyIds.add("SCR");
209         _currencyIds.add("SLL");
210         _currencyIds.add("XAG");
211         _currencyIds.add("SGD");
212         _currencyIds.add("SKK");
213         _currencyIds.add("SIT");
214         _currencyIds.add("SOS");
215         _currencyIds.add("ZAR");
216         _currencyIds.add("LKR");
217         _currencyIds.add("SHP");
218         _currencyIds.add("SDD");
219         _currencyIds.add("SRG");
220         _currencyIds.add("SZL");
221         _currencyIds.add("SEK");
222         _currencyIds.add("CHF");
223         _currencyIds.add("SYP");
224         _currencyIds.add("TWD");
225         _currencyIds.add("TZS");
226         _currencyIds.add("THB");
227         _currencyIds.add("TOP");
228         _currencyIds.add("TTD");
229         _currencyIds.add("TND");
230         _currencyIds.add("USD");
231         _currencyIds.add("AED");
232         _currencyIds.add("UGX");
233         _currencyIds.add("UAH");
234         _currencyIds.add("UYU");
235         _currencyIds.add("VUV");
236         _currencyIds.add("VEB");
237         _currencyIds.add("VND");
238         _currencyIds.add("YER");
239         _currencyIds.add("ZMK");
240         _currencyIds.add("ZWD");
241     }
242 
243     private static CurrencyUtil _instance = new CurrencyUtil();
244 
245     private static Map<String, Map<String, String>> _symbolsPool =
246         new ConcurrentHashMap<String, Map<String, String>>();
247 
248     private Set<String> _currencyIds;
249 
250 }